Altimexor Metal Altimexor Metal

Customizable Corrugated Steel Roof Sheet Prepainted Galvanized/ Zincalume PPGI PPGL Galvanized Steel Sheet

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Product Description

Professional Coated Steel Solutions

Trusted by 1,000+ Clients Worldwide for Over 20 Years

Corrugated Steel Roof Sheet

20+ Years of Industry Experience

With over two decades of expertise in coated steel production and export, we deeply understand global market needs and quality standards.

Global Reach

Our steel products have been successfully delivered to more than 30 countries, earning long-term trust and repeat orders.

Basic Information
ModelColor Coated Roofing Sheet
StandardASTM, GB, JIS, DIN, BS
SubstrateGalvanized Steel Coil or Galvalume Steel Coil
Thickness0.11-1.0mm
Painting FilmTop: 10–30 μm, Back: 5-30μm
ApplicationRoofing, Wall Cladding, Structural Steel
GradeCGCC, Sgch, G350, G450, G550, Dx51d, Dx52D, Dx53D
Product Specification
Specification Chart
TypeWave-Shape, Trapezoid-Shape, Glazed Tile, Ridge Tiles
Painting BrandNippon, AkzoNobel, KCC
Color ChartAny RAL Chart or Client's Sample Color
Metallic CoatingZinc: 40-275G/M2; Alu-zinc: 40-150G/M2
Lead Time15-25 Days after Receiving the Deposit
Product Structure & Process
Structure Chart

Prepainted Steel Structure Layers

  • Finished Coating: High-durability top layer for color and protection.
  • Primer: Enhances adhesion between metal and coating.
  • Chemical Conversion Coating: Improves corrosion resistance.
  • Metallic Coating: Zinc or Alu-Zinc protective layer.
  • Base Metal: High-quality cold-rolled steel sheet.
Surface Treatment Options:

1. Regular | 2. Pattern | 3. Embossed | 4. Wrinkle (Matt)

Quality Assurance & Inspection
QA Inspection

Key Testing Procedures Include:

  • Coating Thickness Test: Compliance with ASTM A653, JIS G3302, and EN 10346.
  • Tensile & Elongation: Verifies mechanical strength for forming.
  • T-Bend & Flexibility: Confirms adhesion without cracking or peeling.
  • Spangle Inspection: Checks for regular or zero spangle appearance.
  • Precision Measurement: Guarantees tight thickness and width tolerances.
  • Chemical Analysis: Validates base steel consistency.
Packing & Delivery
Steel Sheet Packing

Standard Export Package:

  • Inside anti-water craft paper
  • Middle PVC plastic film
  • Outside 0.45mm thick steel sheet
  • Iron pallet packing with iron belt strips

Expert loading and fastening teams ensure goods are secured in containers or bulk vessels for safe transit.

Factory Live Shot & Certificates
Factory Visit Exhibition Partners
Customer Review
ISO Certificate
Frequently Asked Questions
Q1: Are you a manufacturer or trading company?
A: We are a professional manufacturer of galvanized steel coils, galvalume coils, and prepainted steel (PPGI/PPGL) with over 20 years of experience.
Q2: What is your minimum order quantity (MOQ)?
A: Our standard MOQ is 25 tons (1 container), but we also support small trial orders for new customers.
Q3: What standards do your products follow?
A: We produce according to ASTM A653, JIS G3302, EN 10346, and other international standards. Certificates like ISO, SGS, and BV are available.
Q4: How do you ensure quality control?
A: Each batch undergoes strict inspection, including coating thickness, tensile strength, T-bend tests, and surface inspection. Mill test certificates (MTC) are provided for every order.
Q5: What's your lead time?
A: Normal delivery time is 20–25 days after receiving the deposit. Urgent orders can be prioritized.
Q6: Do you support third-party inspection?
A: Yes. We welcome inspections by SGS, BV, TUV, or any agency appointed by the buyer before shipment.

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